Home / 346,586.20-520,268.10-268,048.60

Finding the Fourth Proportional to 346,586.20, 520,268.10 and 268,048.60

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Solution

The fourth proportional to 346,586.20, 520,268.10 and 268,048.60 is: 402,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,586.20 : 520,268.10 = 268,048.60 : x
  2. Step 2: Convert to fraction form
    346,586.20/520,268.10 = 268,048.60/x
  3. Step 3: Cross multiply
    346,586.20x = 520,268.10 × 268,048.60
  4. Step 4: Simplify right side
    346,586.20x = 139,457,135,829.66
  5. Step 5: Solve for x
    x = 139,457,135,829.66/346,586.20
  6. Step 6: Final answer
    x = 402,373.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.